EP3200017A3 - Anzeigevorrichtung - Google Patents

Anzeigevorrichtung Download PDF

Info

Publication number
EP3200017A3
EP3200017A3 EP17153968.7A EP17153968A EP3200017A3 EP 3200017 A3 EP3200017 A3 EP 3200017A3 EP 17153968 A EP17153968 A EP 17153968A EP 3200017 A3 EP3200017 A3 EP 3200017A3
Authority
EP
European Patent Office
Prior art keywords
sheet
region
display device
backlight unit
front surface
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17153968.7A
Other languages
English (en)
French (fr)
Other versions
EP3200017A2 (de
EP3200017B1 (de
Inventor
Simdong Yeo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP3200017A2 publication Critical patent/EP3200017A2/de
Publication of EP3200017A3 publication Critical patent/EP3200017A3/de
Application granted granted Critical
Publication of EP3200017B1 publication Critical patent/EP3200017B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133605—Direct backlight including specially adapted reflectors
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133608—Direct backlight including particular frames or supporting means
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133611—Direct backlight including means for improving the brightness uniformity
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133603—Direct backlight with LEDs

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
EP17153968.7A 2016-02-01 2017-01-31 Anzeigevorrichtung Active EP3200017B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020160012208A KR20170091334A (ko) 2016-02-01 2016-02-01 백라이트 유닛 및 이를 포함하는 디스플레이 장치

Publications (3)

Publication Number Publication Date
EP3200017A2 EP3200017A2 (de) 2017-08-02
EP3200017A3 true EP3200017A3 (de) 2017-09-13
EP3200017B1 EP3200017B1 (de) 2023-12-13

Family

ID=57944358

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17153968.7A Active EP3200017B1 (de) 2016-02-01 2017-01-31 Anzeigevorrichtung

Country Status (4)

Country Link
US (1) US10162219B2 (de)
EP (1) EP3200017B1 (de)
KR (1) KR20170091334A (de)
CN (1) CN107024798A (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200041096A1 (en) * 2016-10-04 2020-02-06 Signify Holding B.V. Luminaire with spatially separated solid state lighting elements
JPWO2018066209A1 (ja) * 2016-10-07 2019-07-25 ソニー株式会社 発光装置、表示装置および照明装置
KR102463819B1 (ko) * 2017-11-30 2022-11-03 엘지디스플레이 주식회사 백라이트 유닛 및 디스플레이 장치
KR102533257B1 (ko) * 2018-07-13 2023-05-17 삼성전자주식회사 반사시트 및 이를 구비한 디스플레이 장치
US11036085B2 (en) * 2018-10-05 2021-06-15 Microsoft Technology Licensing, Llc Optically-calibrated backlight unit internal supports
KR20200071651A (ko) * 2018-12-11 2020-06-19 엘지디스플레이 주식회사 백라이트 유닛 및 그를 포함하는 표시장치
CN110441904B (zh) * 2019-07-12 2021-10-15 广州视源电子科技股份有限公司 一种反射片的网点分布设计方法
KR102638185B1 (ko) * 2019-10-25 2024-02-16 엘지전자 주식회사 디스플레이 디바이스
CN113458728B (zh) * 2021-07-05 2022-11-15 宁波江丰电子材料股份有限公司 一种靶材组件及其制备方法和用途
CN116137886A (zh) 2021-09-17 2023-05-19 瑞仪(广州)光电子器件有限公司 反射片、背光模组及显示装置
CN114442371B (zh) * 2022-01-18 2023-06-02 武汉华星光电技术有限公司 显示背板及显示装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060221612A1 (en) * 2005-03-29 2006-10-05 Samsung Electronics Co., Ltd. Backlight unit and liquid crystal display having the same
JP2010251122A (ja) * 2009-04-15 2010-11-04 Sharp Corp バックライトおよび液晶表示装置
US20130070170A1 (en) * 2010-05-14 2013-03-21 Yuuki Namekata Lighting device, display device and television device
WO2013038802A1 (ja) * 2011-09-13 2013-03-21 シャープ株式会社 面発光装置およびそれを備えた液晶表示装置
US20130222705A1 (en) * 2010-11-30 2013-08-29 Sharp Kabushiki Kaisha Lighting device, display device and television device
CN203643721U (zh) * 2013-12-31 2014-06-11 青岛歌尔声学科技有限公司 一种可消除Mura的直下式LED背光模组及液晶产品

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060124831A (ko) * 2005-05-26 2006-12-06 엘지이노텍 주식회사 백라이트 어셈블리 및 이를 구비한 액정표시장치
JP2008270144A (ja) * 2007-03-22 2008-11-06 Furukawa Electric Co Ltd:The ライトボックス
US7985979B2 (en) * 2007-12-19 2011-07-26 Koninklijke Philips Electronics, N.V. Semiconductor light emitting device with light extraction structures
EP2426395A1 (de) * 2009-06-15 2012-03-07 Sharp Kabushiki Kaisha Beleuchtungsvorrichtung, anzeigevorrichtung und fernsehempfänger
JP5322892B2 (ja) * 2009-11-06 2013-10-23 シャープ株式会社 照明装置、それを備えた表示装置およびテレビ受信装置
CN102667311B (zh) * 2009-12-15 2014-10-01 夏普株式会社 照明装置、显示装置以及电视接收装置
US20130128128A1 (en) * 2010-07-30 2013-05-23 Sharp Kabushiki Kaisha Lighting device, display device and television device
US8789959B2 (en) * 2010-08-31 2014-07-29 Sharp Kabushiki Kaisha Lighting device, display device and television device
KR101282029B1 (ko) * 2013-01-31 2013-07-04 삼성전자주식회사 디스플레이 모듈 및 이를 갖춘 디스플레이 장치
KR102066138B1 (ko) * 2013-11-26 2020-01-14 엘지디스플레이 주식회사 반사 시트와 이의 제조 방법
CN203731291U (zh) * 2013-12-11 2014-07-23 广东长虹电子有限公司 一种新型解决明暗不均的反射片
CN204100138U (zh) * 2014-09-30 2015-01-14 京东方科技集团股份有限公司 一种反射片、背光模组和显示装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060221612A1 (en) * 2005-03-29 2006-10-05 Samsung Electronics Co., Ltd. Backlight unit and liquid crystal display having the same
JP2010251122A (ja) * 2009-04-15 2010-11-04 Sharp Corp バックライトおよび液晶表示装置
US20130070170A1 (en) * 2010-05-14 2013-03-21 Yuuki Namekata Lighting device, display device and television device
US20130222705A1 (en) * 2010-11-30 2013-08-29 Sharp Kabushiki Kaisha Lighting device, display device and television device
WO2013038802A1 (ja) * 2011-09-13 2013-03-21 シャープ株式会社 面発光装置およびそれを備えた液晶表示装置
CN203643721U (zh) * 2013-12-31 2014-06-11 青岛歌尔声学科技有限公司 一种可消除Mura的直下式LED背光模组及液晶产品

Also Published As

Publication number Publication date
EP3200017A2 (de) 2017-08-02
US20170219884A1 (en) 2017-08-03
CN107024798A (zh) 2017-08-08
KR20170091334A (ko) 2017-08-09
EP3200017B1 (de) 2023-12-13
US10162219B2 (en) 2018-12-25

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